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    <h1>直接用图片标签引入即可，svg 图放大不失真</h1>
    <img src="./loading1.svg">
    <img src="./loading2.svg">
    <img src="./loading3.svg">
    <img src="./loading4.svg">
    <img src="./loading5.svg">
    <img src="./loading6.svg">
    <img src="./loading7.svg">
    <img src="./loading8.svg">
    <img src="./loading9.svg">
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